National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rain and Thunderstorms in the Plains; Tropical Moisture Brings Heavy Rain to Southern California and Southwest

Heavy rain showers and thunderstorms, some severe, will persist across the Plains and Mississippi Valley through Friday. Increasing tropical moisture from the remnants of Mario will bring showers, thunderstorms, and a flash flooding threat across much of southern California into the Desert Southwest through Friday. Read More >

Current conditions at

West Palm Beach - Palm Beach International Airport (KPBI)

Lat: 26.69°NLon: 80.1°WElev: 10ft.

Partly Cloudy

82°F

28°C

Humidity 72%
Wind Speed E 15 mph
Barometer 29.96 in (1014.5 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 18 Sep 1:53 am EDT
Extended Forecast for

3 Miles SSW Royal Palm Beach FL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. East wind around 5 mph.

    Low: 75 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms. High near 84. Northeast wind 6 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms after 9pm. Mostly cloudy, with a low around 75. Northeast wind 5 to 7 mph becoming northwest after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 75 °F

    Showers
    Likely then
    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly after 8am. Mostly sunny, with a high near 88. Northeast wind 6 to 10 mph.

    High: 88 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 75. Northeast wind 5 to 7 mph. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 89. Northeast wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.

    High: 89 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. Northeast wind 5 to 7 mph.

    Low: 76 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Northeast wind 6 to 9 mph.

    High: 89 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. Northeast wind around 6 mph becoming calm in the evening.

    Low: 76 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. East wind around 5 mph.
Thursday
Showers and thunderstorms. High near 84. Northeast wind 6 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms after 9pm. Mostly cloudy, with a low around 75. Northeast wind 5 to 7 mph becoming northwest after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 8am. Mostly sunny, with a high near 88. Northeast wind 6 to 10 mph.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 75. Northeast wind 5 to 7 mph. Chance of precipitation is 30%.
Saturday
A chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 89. Northeast wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. Northeast wind 5 to 7 mph.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Northeast wind 6 to 9 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. Northeast wind around 6 mph becoming calm in the evening.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Royal Palm Beach FL
 26.66°N 80.23°W
Last Update:
1:31 am EDT Sep 18, 2025
Forecast Valid:
2am EDT Sep 18, 2025-6pm EDT Sep 24, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation